configs: drop all OpenVPN related options

As the OpenVPN-based services have been deprecated, we drop the related config-options.
(freifunk-berlin#671, f74ada5)

configs/common.config

@@ -77,13 +77,11 @@ CONFIG_PACKAGE_freifunk-berlin-lib-guard=m
 CONFIG_PACKAGE_freifunk-berlin-migration=m
 CONFIG_PACKAGE_freifunk-berlin-network-defaults=m
 CONFIG_PACKAGE_freifunk-berlin-olsrd-defaults=m
-CONFIG_PACKAGE_freifunk-berlin-openvpn-files=m
 CONFIG_PACKAGE_freifunk-berlin-system-defaults=m
 CONFIG_PACKAGE_freifunk-berlin-statistics-defaults=m
 CONFIG_PACKAGE_freifunk-berlin-tunneldigger=m
 CONFIG_PACKAGE_freifunk-berlin-uhttpd-defaults=m
 CONFIG_PACKAGE_freifunk-berlin-uplink-notunnel-files=m
-CONFIG_PACKAGE_freifunk-berlin-uplink-tunnelberlin-openvpn=m
 CONFIG_PACKAGE_freifunk-berlin-uplink-tunnelberlin-tunneldigger=m
 CONFIG_PACKAGE_freifunk-common=m
 CONFIG_PACKAGE_freifunk-firewall=m
@@ -207,8 +205,6 @@ CONFIG_PACKAGE_opkg=m
 CONFIG_PACKAGE_oonf-dlep-proxy=m
 CONFIG_PACKAGE_oonf-dlep-radio=m
 CONFIG_PACKAGE_oonf-olsrd2=m
-CONFIG_PACKAGE_openvpn-mbedtls=m
-CONFIG_PACKAGE_openvpn-openssl=m
 CONFIG_PACKAGE_patch=m
 CONFIG_PACKAGE_ppp=m
 CONFIG_PACKAGE_ppp-mod-pppoe=m
@@ -252,21 +248,3 @@ CONFIG_LUCI_SRCDIET=n
 CONFIG_LUCI_LANG_de=m
 CONFIG_LUCI_LANG_en=m
 # CONFIG_KERNEL_SWAP is not set
-# CONFIG_OPENVPN_mbedtls_ENABLE_LZ4 is not set
-# CONFIG_OPENVPN_mbedtls_ENABLE_SERVER is not set
-# CONFIG_OPENVPN_mbedtls_ENABLE_HTTP is not set
-# CONFIG_OPENVPN_mbedtls_ENABLE_SOCKS is not set
-# CONFIG_OPENVPN_mbedtls_ENABLE_FRAGMENT is not set
-# CONFIG_OPENVPN_mbedtls_ENABLE_MULTIHOME is not set
-# CONFIG_OPENVPN_mbedtls_ENABLE_PORT_SHARE is not set
-# CONFIG_OPENVPN_mbedtls_ENABLE_DEF_AUTH is not set
-# CONFIG_OPENVPN_mbedtls_ENABLE_PF is not set
-# CONFIG_OPENVPN_openssl_ENABLE_LZ4 is not set
-# CONFIG_OPENVPN_openssl_ENABLE_SERVER is not set
-# CONFIG_OPENVPN_openssl_ENABLE_HTTP is not set
-# CONFIG_OPENVPN_openssl_ENABLE_SOCKS is not set
-# CONFIG_OPENVPN_openssl_ENABLE_FRAGMENT is not set
-# CONFIG_OPENVPN_openssl_ENABLE_MULTIHOME is not set
-# CONFIG_OPENVPN_openssl_ENABLE_PORT_SHARE is not set
-# CONFIG_OPENVPN_openssl_ENABLE_DEF_AUTH is not set
-# CONFIG_OPENVPN_openssl_ENABLE_PF is not set